CN214788228U - Combined device for impeller of forward multi-wing centrifugal ventilator - Google Patents
Combined device for impeller of forward multi-wing centrifugal ventilator Download PDFInfo
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- CN214788228U CN214788228U CN202120432833.0U CN202120432833U CN214788228U CN 214788228 U CN214788228 U CN 214788228U CN 202120432833 U CN202120432833 U CN 202120432833U CN 214788228 U CN214788228 U CN 214788228U
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Abstract
The utility model relates to a preceding composite set for multi-wing centrifugal fan impeller belongs to the machine-building and equips the field. The utility model discloses a combination device for a forward multi-wing centrifugal ventilator impeller, which comprises two groups of symmetrically arranged combination dies, wherein each combination die comprises a basic die; the base die comprises a connecting cylinder, wherein a first end of the connecting cylinder is provided with a side disc connecting disc, and a second end of the connecting cylinder is provided with a middle disc connecting disc; the side plate connecting plate is connected with the side plate positioning plate, and the middle plate connecting plate is connected with the middle plate positioning plate. The utility model provides the high mould commonality has reduced mould cost of manufacture.
Description
Technical Field
The utility model relates to a preceding composite set for multi-wing centrifugal fan impeller belongs to the machine-building and equips the field.
Background
The ventilator product is a large-scale industrial ventilation device. At present, the forward multi-wing centrifugal fan product has many varieties, has characteristics such as the amount of wind is big, high efficiency, the pressure head is high, the performance curve is flat, high-efficient region is wide, the impeller is preceding multi-wing centrifugal fan's main power unit, the preparation current technology of my company's impeller is first the limit, the center, the blade is pegged graft the equipment on installing the riveting mould on the horizontal lathe of transformation, it is firm with the limit dish extrusion in proper order with blade installation claw with the gyro wheel of installing on the knife rest again, utilize grooved gyro wheel extrusion center at last, make the clearance of center groove and blade diminish, the whole riveting of impeller through this technology processing is firm, however, there are following technical defect:
by adopting the process, each fan impeller needs to be provided with one set of rolling riveting die, and the die manufacturing cost is high.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, the combined device for the impeller of the forward multi-wing centrifugal ventilator is provided, the mold universality is improved, and the mold manufacturing cost is reduced.
The utility model discloses a combination device for a forward multi-wing centrifugal ventilator impeller, which comprises two groups of symmetrically arranged combination dies, wherein each combination die comprises a basic die;
the base die comprises a connecting cylinder, wherein a first end of the connecting cylinder is provided with a side disc connecting disc, and a second end of the connecting cylinder is provided with a middle disc connecting disc;
the side plate connecting plate is connected with the side plate positioning plate, and the middle plate connecting plate is connected with the middle plate positioning plate.
Working process or working principle:
the riveting process of the fan impellers with different specifications can be completed by matching the side disc positioning disc and the middle disc positioning disc with different specifications on the basic die. The basic mould can regard as general mould, to the fan wheel of different specifications, only need to change limit dish positioning disk and well dish positioning disk can, do not need whole mould to reprocess the support. Various combinations can be formed among various moulds, and the mould utilization rate is high.
Preferably, the side disc positioning disc is obliquely provided with a positioning groove along the edge.
Preferably, the side plate connecting plate is connected with the side plate positioning plate through a bolt, and the middle plate connecting plate is connected with the middle plate positioning plate through a bolt.
Preferably, the central disk connecting disk is a hollow central disk connecting disk.
Preferably, the middle part of the outer side of the side disc positioning disc is provided with an operation groove.
Preferably, a first clamping structure matched with the middle disc connecting disc and the middle disc positioning disc is arranged between the middle disc connecting disc and the middle disc positioning disc.
Preferably, the first clamping structure comprises a first clamping table which is arranged in the middle of the central disc connecting disc in a protruding mode, and a first clamping groove is formed in the central disc positioning disc correspondingly and inwards;
or the first clamping structure comprises a first clamping groove formed in the middle of the central disk connecting disk inwards, and a protruded first clamping table is arranged outside the central disk positioning disk correspondingly.
Preferably, a second clamping structure matched with each other is arranged between the middle disc positioning discs of the two groups of combined dies.
Preferably, the second clamping structure comprises a second clamping table arranged on one of the middle disc positioning discs, and a second clamping groove is correspondingly and inwardly formed in the other middle disc positioning disc;
or the second clamping structure comprises a second clamping groove arranged on one of the middle disc positioning discs, and a second clamping table is correspondingly and inwardly arranged on the other middle disc positioning disc.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model utilizes the basic die, the middle disc positioning disc and the side disc positioning disc to combine into a plurality of dies, firstly, the assembling and rolling forming of the blades, the middle disc and the outer disc of the front multi-wing impeller can be completed by replacing the middle disc positioning disc and the side disc positioning disc with different thicknesses and inner hole positioning sizes; and secondly, the blade, the middle disc and the outer disc of the front multi-wing impeller can be assembled and rolled and molded by replacing the side disc positioning discs with the grooves, which have different positioning groove angles and different positioning groove numbers, of the centrifugal ventilator with different air outlet angles and different blade numbers, so that the repeated investment of a tooling die is avoided, the repeated investment of the tooling die is reduced, a large amount of die processing cost is saved, and the production cost of impeller processing is reduced.
Drawings
FIG. 1: the structure of the embodiment 1 of the utility model is schematically shown,
FIG. 2: the structure of the embodiment 2 of the utility model is schematically shown,
FIG. 3: the left-hand side view of figure 2,
FIG. 4: the structure of the embodiment 3 of the utility model is schematically shown,
FIG. 5: the left-hand side view of figure 4,
FIG. 6: the prior art is a schematic structure.
In the figure: 1. a front combined die 2 and a rear combined die;
1.1, a front positioning groove 1.2, a front edge disc operating groove 1.3, a front edge disc positioning disc 1.4, a front edge disc connecting disc 1.5, a front connecting cylinder 1.6, a front middle disc connecting disc 1.7, a front first clamping groove 1.8, a second clamping table 1.9, a front middle disc positioning disc 1.10 and a front first clamping table;
2.1, a second clamping groove 2.2, a rear middle disc positioning disc 2.3, a rear middle disc connecting disc 2.4, a rear first clamping groove 2.5, a rear disc positioning disc 2.6, a rear disc connecting disc 2.7, a rear disc operating groove 2.8, a rear positioning groove 2.9, a rear connecting cylinder 2.10 and a rear first clamping table.
In fig. 3, a indicates the front detent inclination angle.
In fig. 5, B indicates the front detent inclination angle.
Detailed Description
The technical solution in the embodiments of the present invention will be further clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention:
example 1
As shown in fig. 1, preceding composite set for multi-wing centrifugal fan impeller, including two sets of symmetrical arrangement's assembling die, two sets of assembling die include preceding assembling die 1 and back assembling die 2, preceding assembling die and the cooperation of back assembling die accomplish fan wheel's riveting jointly.
The combined die comprises a basic die; the base die comprises a connecting cylinder, wherein a first end of the connecting cylinder is provided with a side disc connecting disc, and a second end of the connecting cylinder is provided with a middle disc connecting disc; the side plate connecting plate is connected with the side plate positioning plate, and the middle plate connecting plate is connected with the middle plate positioning plate. The side plate positioning plate is obliquely provided with a positioning groove along the edge. The side plate connecting plate is connected with the side plate positioning plate through bolts, and the middle plate connecting plate is connected with the middle plate positioning plate through bolts. The central disk connecting disk is a hollow central disk connecting disk. The middle part of the outer side of the side plate positioning plate is provided with an operation groove. A first clamping structure matched with the middle disc connecting disc and the middle disc positioning disc is arranged between the middle disc connecting disc and the middle disc positioning disc. The first clamping structure comprises a first clamping table which is arranged in the middle of the central disc connecting disc in an outward protruding mode, and the central disc positioning disc is correspondingly provided with a first clamping groove inwards. And a second clamping structure which is matched with each other can be arranged between the middle disc positioning discs of the two groups of combined dies. The second clamping structure comprises a second clamping table arranged on one of the middle disc positioning discs, and a second clamping groove is formed in the other middle disc positioning disc correspondingly and inwards.
The front combined die comprises a front base die, the front base die comprises a front connecting cylinder 1.5, a front edge disc connecting disc 1.4 is arranged at the first end of the front connecting cylinder 1.5, the front edge disc connecting disc 1.4 is connected with a front edge disc positioning disc 1.3, the front edge disc connecting disc 1.4 is connected with the front edge disc positioning disc 1.3 through bolts, the front edge disc positioning disc is convenient to disassemble, and a front positioning groove 1.1 is obliquely arranged on the edge of the front edge disc positioning disc 1.3; preceding connecting cylinder 1.5 second end is equipped with preceding center disk connection pad 1.6, and preceding center disk connection pad 1.6 connects preceding center disk positioning disk 1.9, and preceding center disk connection pad 1.6 passes through bolted connection with preceding center disk positioning disk 1.9, convenient dismantlement. Preceding well head connection pad 1.6 is equipped with first block structure before mutually supporting between the head positioning dish 1.9, and preceding well head connection pad 1.6 middle part is outside to be protruding to set up preceding first block platform 1.10, and preceding well head positioning dish 1.9 corresponds and inwards offers preceding first draw-in groove 1.7, preceding first block platform and preceding first draw-in groove be the preceding first block structure of mutually supporting. The front center disk connecting disk 1.6 is a hollow front center disk connecting disk. The middle part of the outer side of the front edge disc positioning disc 1.9 is inwards provided with a front edge disc operating groove 1.2, so that the edge disc and the blades of the fan impeller can be conveniently inserted and roll-formed on the front edge disc positioning disc.
The rear combined die comprises a rear base die, the rear base die comprises a rear connecting cylinder 2.9, a rear edge disc connecting disc 2.6 is arranged at the first end of the rear connecting cylinder 2.9, the rear edge disc connecting disc 2.6 is connected with a rear edge disc positioning disc 2.5, the rear edge disc connecting disc 2.6 is connected with the rear edge disc positioning disc 2.5 through bolts, the rear edge disc positioning disc is convenient to disassemble, and a rear positioning groove 2.8 is obliquely arranged at the edge of the rear edge disc positioning disc 2.5; the second end of the rear connecting cylinder 2.9 is provided with a rear middle disc connecting disc 2.3, the rear middle disc connecting disc 2.3 is connected with a rear middle disc positioning disc 2.2, and the rear middle disc connecting disc 2.3 is connected with the rear middle disc positioning disc 2.2 through bolts, so that the rear connecting cylinder is convenient to disassemble. A back first clamping structure is arranged between the back middle disc connecting disc 2.3 and the back middle disc positioning disc 2.2, a back first clamping table 2.10 is arranged in the middle of the back middle disc connecting disc 2.3 in an outward protruding mode, a back first clamping groove 2.4 is correspondingly and inwardly formed in the back middle disc positioning disc 2.5, and the back first clamping table 2.10 and the back first clamping groove 2.4 are back first clamping structures matched with each other. The rear central disk connecting disk 2.6 is a hollow rear central disk connecting disk. The middle part of the outer side of the rear edge disc positioning disc 2.5 is inwards provided with a rear edge disc operating groove 2.7, so that the edge disc and the blades of the fan impeller can be conveniently inserted and roll-formed on the front edge disc positioning disc.
The first clamping structure comprises a front first clamping structure and a rear first clamping structure. The first clamping structure improves the connection positioning precision, ensures that the position of the basic die is accurately positioned after the basic die is connected with the side disc positioning disc and the middle disc positioning disc, is reliably connected, and ensures that the combined die can meet the technical requirements of subsequent splicing and roll forming processes.
The middle part of the front middle disc positioning disc 1.9 is provided with a second clamping table 1.8 in an outward protruding mode, the rear middle disc positioning disc 2.2 is correspondingly provided with a second clamping groove 2.1 in an inward mode, and the second clamping table and the second clamping groove are of a second clamping structure matched with each other. The mould is convenient to cooperate and store.
Example 2
As shown in fig. 2 to 3, the first engaging structure includes a front first engaging structure and a rear first engaging structure.
A front middle disc connecting disc and a front middle disc positioning disc are provided with a front first clamping structure which is matched with each other, or a front first clamping groove is formed in the middle of the front middle disc connecting disc inwards, a protruding front first clamping table is correspondingly arranged outside the front middle disc positioning disc, and the front first clamping table and the front first clamping groove are front first clamping structures which are matched with each other.
A first clamping structure is arranged between the rear center connecting disc and the rear center positioning disc, the first clamping groove is formed in the middle of the rear center connecting disc, the first clamping table is arranged at the rear center positioning disc in a protruding mode, and the first clamping table and the first clamping groove are matched with each other.
The middle part of the front middle plate positioning disc is inwards provided with a second clamping groove, the rear middle plate positioning disc is correspondingly and outwards convexly provided with a second clamping table, and the second clamping table and the second clamping groove are mutually matched second clamping structures.
As shown in FIG. 3, the inclination angle A of the front positioning groove is 12 degrees, and 60 positioning grooves are uniformly distributed along the edge of the front disc positioning disc.
The inclination angle of the rear positioning groove is 12 degrees, and 60 rear positioning grooves are uniformly distributed along the edge of the rear positioning plate.
The arrangement mode of the front positioning groove is consistent with that of the rear positioning groove.
The rest is the same as example 1.
Example 3
As shown in fig. 4-5, the front positioning groove has an inclination angle of 16 °, and 272 front positioning grooves are uniformly distributed along the edge of the front positioning disc.
The inclination angle of the rear positioning groove is 16 degrees, and 272 rear positioning grooves are uniformly distributed along the edge of the rear positioning plate.
The arrangement mode of the front positioning groove is consistent with that of the rear positioning groove.
The rest is the same as example 1.
Working process or working principle:
the front side disc positioning disc and the front middle disc positioning disc are connected through bolts, the rear side disc positioning disc and the rear middle disc positioning disc are connected through bolts, and therefore the front multi-wing centrifugal ventilator impeller assembly can be detached and replaced at will, and various process requirements are met.
1. At least more than six impellers with the same diameter, different lengths or different inner hole installation sizes can be processed by replacing the middle disc fixed disc and the connecting disc with different thicknesses and inner hole positioning sizes;
(1) the mounting of the 4-pole 4 KW-4-pole 11KW and 6-pole 3 KW-6-pole 11KW outer rotor motor with different inner hole positioning sizes is realized by replacing the middle disc positioning disc and the middle disc connecting disc with the inner hole positioning sizes, and the production requirement of a belt fan for mounting a taper sleeve shaft disc with the positioning size of phi 150mm can be met.
(2) Meanwhile, the installation requirement of the lengthened impeller is met by replacing the middle disc positioning disc and the middle disc connecting disc with different thicknesses.
2. At least more than six impellers with the same diameter, different lengths or different inner hole installation sizes can be processed by replacing side disc positioning discs with grooves, which have different positioning groove angles and different positioning groove numbers;
(1) through changing the trough of belt limit plate positioning disk that the constant head tank angle is different, realized the production demand of key parameter fan wheel such as different blade outlet angle, pressure.
(2) As shown in FIG. 4, the fan production requirements of impellers with different impeller groove numbers are realized by replacing the positioning discs with the groove side plates with different positioning groove angles. As shown in fig. 3, a 60 slot impeller can be produced; as shown in fig. 5, a 272 slot impeller may be produced.
The utility model discloses in to the direction of structure and the description of relative position relation, it is right not to constitute like the description from top to bottom all around the utility model discloses a restriction only is the description convenient.
Claims (9)
1. A combined device for a forward multi-wing centrifugal ventilator impeller is characterized by comprising two groups of combined dies which are symmetrically arranged, wherein each combined die comprises a basic die;
the base die comprises a connecting cylinder, wherein a first end of the connecting cylinder is provided with a side disc connecting disc, and a second end of the connecting cylinder is provided with a middle disc connecting disc;
the side plate connecting plate is connected with the side plate positioning plate, and the middle plate connecting plate is connected with the middle plate positioning plate.
2. The combination of a forward multiple-wing centrifugal fan impeller according to claim 1, wherein the edge disk positioning disk has positioning grooves inclined along the edge.
3. The assembly of claim 1, wherein the side disk connecting plate is connected to the side disk positioning plate by bolts, and the center disk connecting plate is connected to the center disk positioning plate by bolts.
4. The combination of a forward multiple-bladed centrifugal fan impeller according to claim 1 wherein the central disk attachment disc is a hollow central disk attachment disc.
5. The assembly as claimed in claim 1, wherein the side positioning plate has an operating slot formed in a central portion of an outer side thereof.
6. The assembly of claim 1, wherein the first engaging structure is disposed between the central disk connecting disk and the central disk positioning disk.
7. The combined device for the impeller of the forward multi-wing centrifugal ventilator according to claim 6, wherein the first clamping structure comprises a first clamping table which is arranged in a protruding manner at the middle part of the central disc connecting disc, and a first clamping groove is correspondingly and inwardly arranged on the central disc positioning disc;
or the first clamping structure comprises a first clamping groove formed in the middle of the central disk connecting disk inwards, and a protruded first clamping table is arranged outside the central disk positioning disk correspondingly.
8. The combined device for the impeller of the forward multi-wing centrifugal ventilator according to any one of claims 1-7, wherein a second engaging structure is provided between the middle positioning plates of the two combined dies.
9. The combined device for the impeller of the forward multi-wing centrifugal ventilator according to claim 8, wherein the second clamping structure comprises a second clamping table arranged on one of the middle plate positioning discs, and a second clamping groove is correspondingly and inwardly formed in the other middle plate positioning disc;
or the second clamping structure comprises a second clamping groove arranged on one of the middle disc positioning discs, and a second clamping table is correspondingly and inwardly arranged on the other middle disc positioning disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120432833.0U CN214788228U (en) | 2021-02-25 | 2021-02-25 | Combined device for impeller of forward multi-wing centrifugal ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120432833.0U CN214788228U (en) | 2021-02-25 | 2021-02-25 | Combined device for impeller of forward multi-wing centrifugal ventilator |
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| Publication Number | Publication Date |
|---|---|
| CN214788228U true CN214788228U (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120432833.0U Active CN214788228U (en) | 2021-02-25 | 2021-02-25 | Combined device for impeller of forward multi-wing centrifugal ventilator |
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| CN (1) | CN214788228U (en) |
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- 2021-02-25 CN CN202120432833.0U patent/CN214788228U/en active Active
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